Volume 14, Issue 6 (November & December 2023)                   BCN 2023, 14(6): 727-740 | Back to browse issues page

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Abbaszadeh A, Pirzadroozbahani N, Moradkhani M R, Hasanvand A. The Antinociceptive Effects of Combined Treatment With Atorvastatin and Vitamin C in the Chronic Constriction Injury Model of Rats. BCN 2023; 14 (6) :727-740
URL: http://bcn.iums.ac.ir/article-1-1430-en.html
1- Department of Plastic and Reconstructive Surgery, School of Medicine, Hazrat Fatemeh Hospital, Iran University of Medical Sciences, Tehran, Iran.
2- Student Research Committee, Lorestan University of Medical Sciences, Khorramabad, Iran.
3- Department of Anesthesia, Faculty of Medicine, Shohaday-e- Ashayer Hospital, Lorestan University of Medical Sciences, Khorramabad, Iran.
4- Department of Physiology and Pharmacology, Faculty of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran.
Introduction: Neuropathic pain (NP) is caused by damage to the somatosensory system. Nerve damage often results in chronic pain states, including hyperalgesia and allodynia. This study aims to evaluate the anti-nociceptive effects of atorvastatin, vitamin C, and their combination on various laboratory tests in an experimental model NP in rats.
Methods: To assess the analgesic effects of atorvastatin (5 and 10 mg/kg), vitamin C (500 mg/kg), and their co-administration on chronic constriction injury (CCI) was induced in rats. Behavioral tests, motor nerve conduction velocity (MNCV), pro-inflammatory cytokines, and oxidative markers were measured. Furthermore, histopathological examination was performed.
Results: In the present study, it was found that the CCI model can significantly cause hyperalgesia and allodynia on the 21st postoperative day. It was found that the co-administration of vitamin C and atorvastatin has attenuating effects on allodynia and hyperalgesia. Co-administration of vitamin C and atorvastatin also improved MNCV. In the treatment groups, the inflammatory reactions and oxidative markers decreased. Moreover, the co-administration of atorvastatin and vitamin C decreased the perineural inflammation around the sciatic nerve. 
Conclusion: The results of this study showed that vitamin C potentiates the analgesic effects of atorvastatin in this model of experimental pain, and simultaneous consumption of these medications may be considered as effective therapeutics for NP. The protective properties of atorvastatin, and vitamin C, and their combination on the NP that were assessed can be regarded as a novelty for this study.
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Type of Study: Original | Subject: Behavioral Neuroscience
Received: 2019/02/15 | Accepted: 2022/05/22 | Published: 2023/11/1

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